<https://ccna7.org/#/schema/person/cf4527fb19410def9309c03bda77f88a>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Person>
<https://ccna7.org/5-3-1-3-packet-tracer-identify-mac-ip-addresses/>